Founding year: the first Boulder Junction post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Boulder Junction’s History grade
On its age, its old homes and the National Register, Boulder Junction is more historic than 17% of U.S. towns. Its share of homes from before 1940 holds the grade up; its age pulls it down.
C−
HistoryA character grade: shown, never part of Boulder Junction’s overall grade.
Wisconsin towns list more on the Register than most of the country (a typical Wisconsin town has 3.0 per 10,000 residents, the U.S. 2.4), so Boulder Junction’s 0.0 sits below most of its state (28% of Wisconsin towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from D to C. The pre-1940 share is a Census survey estimate (±3.8 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Boulder Junction’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
In 1903, the Milwaukee Railroad laid tracks to the area that became known as Boulder Junction. While the railroad served the booming logging industry, it also attracted outdoors enthusiasts who came to fish and hunt.
Electricity arrived in 1925. The town of Boulder Junction was incorporated in 1927. Phone service began in 1930. Also in the 1930s, wide-scale replanting began of the trees that had been harvested from the land during the logging boom of the previous decades.
Every edition of the U.S. Geological Survey’s map of Boulder Junction. Tap a year, or press play to watch the town change.
1955Boulder Junction sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Boulder Junction.
Famous people
Famous people close to Boulder Junction
Nobody well known was born in Boulder Junction itself, so here are the best known from just nearby.
The Boulder Junction post office opened in 1912, the earliest record of the town by name (U.S. post office records).
How does Boulder Junction rank for history?
Boulder Junction is more historic than 17% of U.S. towns. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
How old are the homes in Boulder Junction?
9% of Boulder Junction’s homes were built before 1940 (Census estimate, ±3.8 points), against a typical 12% for a Wisconsin town; the median home was built in 1979.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).
From Wikipedia, U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.